This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2025/08/01 12:09 |
| Universal datetime | 2025/08/01 10:09 |
| Latitude | 48.45 ° ± 0.6 km |
| Longitude | -4.39 ° ± 0.5 km |
| Depth | 0 km (operator assigned) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Brest 
|
10 | 140064 |
| Landerneau
|
9 | 15781 |
| Guipavas
|
2 | 14482 |
| Plougastel-Daoulas
|
10 | 13337 |
| Plouzané
|
18 | 12822 |
| Le Relecq-Kerhuon
|
5 | 11462 |
| Plabennec
|
6 | 8436 |
| Saint-Renan
|
18 | 8110 |
| Guilers
|
13 | 7981 |
| Lesneven
|
16 | 7311 |
| Plouguerneau
|
19 | 6607 |
| Ploudalmézeau
|
23 | 6297 |
| Gouesnou
|
6 | 6116 |
| Lannilis
|
17 | 5592 |
| Locmaria-Plouzané
|
21 | 5076 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.2 |
| Azimuthal gap | 203.54 ° |
| Number of stations used | 9 |
| Number of phases used | 16 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| FR | CAMF | Pg | 10:09:55.0 | -0.06 | 220.29 | 0.24 | Manual |
| FR | CAMF | Sg | 10:09:58.16 | 0.07 | 220.29 | 0.24 | Manual |
| FR | LOCF | Pg | 10:10:00.67 | 0.15 | 63.83 | 0.53 | Manual |
| FR | LOCF | Sg | 10:10:07.28 | -0.32 | 63.83 | 0.53 | Manual |
| FR | OLIV | Pg | 10:10:01.16 | 0.2 | 162.72 | 0.55 | Manual |
| FR | OLIV | Sg | 10:10:08.5 | -0.31 | 162.72 | 0.55 | Manual |
| RD | ROSF | Pg | 10:10:04.68 | 0 | 98.22 | 0.75 | Manual |
| RD | ROSF | Pn | 10:10:06.83 | -0.29 | 98.22 | 0.75 | Manual |
| RD | ROSF | Sg | 10:10:14.94 | 0.13 | 98.22 | 0.75 | Manual |
| FR | PLOF | Pg | 10:10:08.72 | 0.3 | 137.24 | 0.95 | Manual |
| FR | PLOF | Sg | 10:10:21.20 | -0.09 | 137.24 | 0.95 | Manual |
| FR | GUEF | Pg | 10:10:15.1 | 0.09 | 114.92 | 1.3 | Manual |
| FR | GUEF | Sg | 10:10:32.75 | 0.22 | 114.92 | 1.3 | Manual |
| FR | PLEF | Sg | 10:10:34.51 | -0.16 | 87.32 | 1.37 | Manual |
| FR | BIMF | Pg | 10:10:16.7 | -0.27 | 144.16 | 1.38 | Manual |
| FR | BEGF | Pg | 10:10:21.33 | 0.03 | 119.54 | 1.65 | Manual |